Home / 54,072.11-81,108.35-16,631.93

Finding the Fourth Proportional to 54,072.11, 81,108.35 and 16,631.93

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Solution

The fourth proportional to 54,072.11, 81,108.35 and 16,631.93 is: 24,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,072.11 : 81,108.35 = 16,631.93 : x
  2. Step 2: Convert to fraction form
    54,072.11/81,108.35 = 16,631.93/x
  3. Step 3: Cross multiply
    54,072.11x = 81,108.35 × 16,631.93
  4. Step 4: Simplify right side
    54,072.11x = 1,348,987,910.91
  5. Step 5: Solve for x
    x = 1,348,987,910.91/54,072.11
  6. Step 6: Final answer
    x = 24,947.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.